mathspec – Specify arbitrary fonts for mathematics in XeTeX

The math­spec pack­age pro­vides an in­ter­face to type­set math­e­mat­ics
in XeLaTeX with ar­bi­trary text fonts us­ing
fontspec as a back­end.

The pack­age is un­der de­vel­op­ment and later ver­sions might to be
in­com­pat­i­ble with this ver­sion, as this ver­sion is in­com­pat­i­ble
with ear­lier ver­sions. The pack­age re­quires at least ver­sion
0.9995 of XeTeX.